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CVE-2011-1231
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows…
High8.4EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 28% of all CVEs (3 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Weakness
Affected products
n/a
- affected n/a
References (11)
- TA11-102A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 71737 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- mswin-win32k-var19-priv-escalation(66413) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- oval:org.mitre.oval:def:12036 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- MS11-034 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 47231 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2011-0952 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://support.avaya.com/css/P8/documents/100133352 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 44156 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx (opens in a new tab)x_refsource_MISCx_transferred
- 1025345 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2011-1231)Record last updated .